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(parent: 1048ba8) | patch
tomoyo: ignore data race while checking quota
authorTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Mon, 1 Feb 2021 02:52:11 +0000 (11:52 +0900)
committerTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Mon, 1 Feb 2021 02:52:11 +0000 (11:52 +0900)
commit5797e861e402fff2bedce4ec8b7c89f4248b6073
tree8703689665da1be3512f2a3efa3024f6404dea9ctree | snapshot
parent1048ba83fb1c00cd24172e23e8263972f6b5d9accommit | diff
tomoyo: ignore data race while checking quota

syzbot is reporting that tomoyo's quota check is racy [1]. But this check
is tolerant of some degree of inaccuracy. Thus, teach KCSAN to ignore
this data race.

[1] https://syzkaller.appspot.com/bug?id=999533deec7ba6337f8aa25d8bd1a4d5f7e50476

Reported-by: syzbot <syzbot+0789a72b46fd91431bd8@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
security/tomoyo/file.c diff | blob | history
security/tomoyo/network.c diff | blob | history
security/tomoyo/util.c diff | blob | history
Domain: System / Kernel;